A very good tutorial by Jeremy Bordas about development of new pieces of interface in Blender :

http://www.jbordas.com/?p=14

Look at these interesting reviews…

http://www.cgenie.com/articles/104.html

Many changes in the new Blender…

Look at : http://www.blender.org/development/current-projects/blender-25-project/

and : http://wiki.blender.org/index.php/BlenderDev/Blender2.5

Many good works can be found at : http://dataisnature.com/

The new (and old) work of William Latham (and Frederic Fol Leymarie) are here :

http://www.mrg-gold.com

You can also find a very good paper about this work in the New Scientist magazine :

http://www.newscientist.com/issue/2692

A wonderful Digital Library for the best techniques used by Pixar :

http://graphics.pixar.com/library/

Very important site for Blender Game Engine, with documentation, many tutorials, textures, etc.

http://www.tutorialsforblender3d.com

Some of the most beautiful GLSL demos made with Blender by Mike Pan :

http://mikepan.homeip.net/

See also these links :

http://mikepan.homeip.net/games

http://mikepan.homeip.net/blenderglsl

plus wonderful sky textures : http://mikepan.homeip.net/earth

and Ambient Occlusion : http://mikepan.homeip.net/ssaowcn

Look at these interesting patterns made in Blender :

See the files at : http://www.macouno.com/patterns

Most of the Siggraph papers and many more from EuroGraphics, etc. can be found here :

http://trowley.org/ (Tim Rowley pages , since 2000)

or here :

http://kesen.huang.googlepages.com/ (Ke Sen Huang pages)